Another common error dealing with memory is that of "hindsight bias." This is the tendency to exaggerate what could have been anticipated in the past. This is also known as "Monday morning quarter backing" or "hindsight is 20/20" where the "right" decision as to what should have been done appears to be more obvious now than it was in the past. Facing Reality: An Introduction to Philosophy Revised Edition, PhD Joseph Grcic

Cantonese: 馬後炮(Maa5 hau6 paau3), 有早知，冇乞兒(Jau5 zou2-zi1, mou5 hat1-ji4)(lit: There would be no homeless people if everyone knows beforehand), 事後孔明(si6 hou6 hung2-ming4)(lit: Everyone can be Kongming in hindsight.)